Infiltration heat from warm outside air through small holes, cracks, and door seals.
由外部通过小孔、裂缝和门的密封圈而进入的渗入热。
Any cracks will alter the flow of heat, and these changes can be picked up with a heat-sensitive camera.
通过一台热敏感摄像机就能够捕捉到飞机上的裂痕,因为这些裂痕会改变热流的方向。
Welding CCT diagrams of steels are the basic to select welding material, determine the optimum welding technology, relieve welding cracks and lay down standard of past heat treatment.
钢的焊接CCT图,是正确选择焊接材料、确定最佳焊接工艺、消除焊接裂纹、制订焊后热处理规范的重要依据。
Reduction of the hydration heat during cementation of radioactive resins can reduce thermal stresses and prevent thermal cracks.
降低放射性废树脂水泥固化中水化热可以降低温度应力、减少裂纹。
As for hydraulic tunnel lining concrete, thermal stress is one of important factors that cause concrete cracks, due to the heat of hydration of cement in the construction period.
对于水工隧洞衬砌混凝土,在施工期由于水泥水化热作用,温度应力影响显著,是产生混凝土结构裂缝的重要原因之一。
It is found that in lined ceramic the radial cracks is caused by compressive stress field and net cracks caused by heat stress field.
研究表明,内衬陶瓷层中主要分布着由压应力场所造成的径向裂纹和因热应力场所引起的网状裂纹;
The problem of cracks, which is caused in structures by deforming effect, such as hydration heat, shrinkage, temperature difference of atmosphere, is very important and complicated.
由于变形作用(水化热、收缩、气温差)引起工程结构的裂缝是很复杂并很重要的问题。
The major reason of the formation of quench cracks is the contamination of oxygen in the early processing or unsuitable quench cooling rate during heat treatment.
基于两种机制的提出,可以较好地说明影响淬火裂纹形成的主要原因是氧的污染和不适宜的淬火冷却速度。
In mass concrete construction, the structural cracks by cement hydration heat will influence the durability and mechanical properties of concrete.
在大体积混凝土施工中,由于水泥水化热等多种因素产生的混凝土结构裂缝将影响混凝土的耐久性能和力学性能。
If there is a large difference in the coefficient of expansion, there will be cracks in the ceramic layer or the phenomenon of exploding porcelain in the alternating heat and cold.
如果膨胀系数相差较大,在冷热交替的时候就会出现瓷层裂纹或爆瓷现象。
In additions the paper qualitatively analyses the influence of residual stresses occurring after quenching and tempering and the process of heat treatment on the formation of the cracks.
此外,还定性分析了淬火、回火后残余应力的性质及热处理工艺过程对裂纹形成的影响。
The number of concrete cracks will be reduced and the dam quality will be improved effectively by adopting appropriate heat and moisture insulating material and implementation scheme.
选用合适的保温保湿材料以及实施方案,可以有效地减少混凝土裂缝的发生,提高大坝工程质量。
The fracture rod has cracks in the microstructure of weld zone, intergranular cracks exists in the coarse grain zone of the weld heat affected zone.
进一步比较了断裂拉杆和已经产生裂纹的拉杆焊缝区的显微组织,发现在焊缝的热影响区粗晶区存在沿晶裂纹。
On the other hand, the improper heat treatment operation can not completely relieve the casting stress and remnant stress, and further enhances generation and expansion of cracks.
另一方面,热处理工艺不当使得铸造应力及机加工的残余应力无法彻底消除,这样加剧了裂纹的产生和扩展。
For mass concrete construction, cement caused by hydration heat of concrete pouring temperature and internal stress of dramatic changes in temperature, is the main reason for cracks in concrete occur.
对于大体积混凝土建筑,水泥水化热引起混凝土浇筑内部温度和温度应力剧烈变化,是导致混凝土发生裂缝的主要原因。
The results show that the cracks on the sealing labyrinth are heat-fatigue cracked resulted by the temperature field around the third tooth of the sealing labyrinth.
结果表明,封严篦齿上的裂纹为热疲劳裂纹,裂纹的形成主要与第三封严篦齿附近的温度场有关。
Experiment results show that removing the surface broken crystal layer of the cold drawn rod can prevent heat treatment induced cracks.
实验结果表明,热处理前去掉冷拉棒表面的碎晶层可以防止它在热处理过程中产生裂纹。
The heat transfer conditions in initial shells in mould can be improved and the surface cracks can be controlled by using good workability powders.
使用性能合适的保护渣可以改善结晶器内初始坯壳的传热条件,控制表面裂纹的产生。
The thermal responses are obtained by studying the different position of crack from heat source, different length cracks and different frequency of heat source.
通过研究得出了裂缝距离热源不同位置、不同长度裂缝及不同频率温度变化热源等状态时,功能梯度板上表面的热响应情况。
In the mass concrete construction in cement plants, cracks in the concrete may be controlled by reducing the hydration heat and cooling with water to control the internal and external temperature.
在水泥厂工程大体积混凝土施工过程中,可以通过降低水泥水化热和冷却水冷却,控制混凝土内外温差等措施来控制大体积混凝土有害裂纹的产生。
Micro characteristic of cracks propagation research: the path of crack propagation in the heat-affected zone and weld metal is the mix of transgranular and intergranular.
裂纹扩展的微观特征研究:在热影响区与焊缝区的裂纹扩展均为沿晶与穿晶混合型。
In addition, the metal body within welding heat effect zone will produce a lot of micro-cracks because of infiltration of solid solution nitrogen in course of porcelain spraying.
此外,喷瓷管道焊接热影响区的金属基体将由于喷瓷过程中渗入的固溶氮而产生大量微裂纹。
Pipe shall be homogeneous throughout, free from cracks, holes or foreign material, and shall be free from blisters, dents, ripples, die and heat marks.
管子应通体均匀,无裂纹、无孔眼或杂质,还应无气泡、凹痕、波痕、拉模划痕和热痕。
Used for the glass net cloth rendering on external heat insulation board surface, repairing the cracks of base and defaults of concrete.
用于外墙保温面层铺贴玻璃网格布抹灰,也可用于开裂基层及混凝土缺陷的修补。
Used for the glass net cloth rendering on external heat insulation board surface repairing the cracks of base and defaults of concrete.
用于外墙保温面层铺贴玻璃网格布抹灰,也可用于开裂基层及混凝土缺陷的修补。
Cable shall endure heat shrinkable test; shrinkable ratio shall be no more than 2%; no cracks appear on the surface of cable.
电线经受热收缩试验,收缩率应不超过2%。电线表面应不出现裂纹。
The quenching operation is the most critical part of the heat treatment since too slow a rate of cooling might give rise to either soft spots or quenching cracks.
自太慢地冷却的比率也可能引起软的地点或淬熄裂缝之后,淬熄操作是热处理的最紧要关头的部份。
The heating process is conducted during the movement of rift cracks in basement, heat source is from magma .
提出了本热田为断裂裂隙热储系统的深循环式的热田。
The heating process is conducted during the movement of rift cracks in basement, heat source is from magma .
提出了本热田为断裂裂隙热储系统的深循环式的热田。
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